Rajagopalan, S., & Shiffman, M. A. (1974). Guide to simple sanitary measures for the control of enteric diseases. Geneva: World Health Organization.
Citación estilo ChicagoRajagopalan, S., y Melvin A. Shiffman. Guide to Simple Sanitary Measures for the Control of Enteric Diseases. Geneva: World Health Organization, 1974.
Cita MLARajagopalan, S., y Melvin A. Shiffman. Guide to Simple Sanitary Measures for the Control of Enteric Diseases. Geneva: World Health Organization, 1974.
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